EN 62673-2013 en Methodology for communication network dependability assessment and assurance.pdf
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1、BSI Standards PublicationMethodology for communication networkdependability assessmentand assuranceBS EN 62673:2013National forewordThis British Standard is the UK implementation of EN 62673:2013. It is identical to IEC 62673:2013.The UK participation in its preparation was entrusted to TechnicalCom
2、mittee DS/1, Dependability.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisions ofa contract. Users are responsible for its correct application. The British Standards Institution 201
3、3.Published by BSI Standards Limited 2013ISBN 978 0 580 79004 1ICS 03.120.01Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 30 September 2013.Amendments/corrigenda
4、 issued since publicationDate Text affectedBRITISH STANDARDBS EN 62673:2013EUROPEAN STANDARD EN 62673 NORME EUROPENNE EUROPISCHE NORM August 2013 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische N
5、ormung CEN-CENELEC Management Centre: Avenue Marnix 17, B - 1000 Brussels 2013 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 62673:2013 E ICS 03.120.01 English version Methodology for communication network dependability assessme
6、nt and assurance (IEC 62673:2013) Mthodologie pour lvaluation et lassurance de la sret de fonctionnement des rseaux de communication (CEI 62673:2013) Methodik zur Beurteilung und Sicherstellung der Zuverlssigkeit von Kommunikationsnetzen (IEC 62673:2013) This European Standard was approved by CENELE
7、C on 2013-07-23. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards
8、 may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language an
9、d notified to the CEN-CENELEC Management Centre has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Ger
10、many, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 62673:2013EN 62673:2013 - 2 - Foreword The text of document 56/1507/FDIS, fut
11、ure edition 1 of IEC 62673, prepared by IEC/TC 56 “Dependability“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 62673:2013. The following dates are fixed: latest date by which the document has to be implemented at national level by publication of an identical national
12、standard or by endorsement (dop) 2014-04-23 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2016-07-23 Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC and/or CEN shall n
13、ot be held responsible for identifying any or all such patent rights. Endorsement notice The text of the International Standard IEC 62673:2013 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following notes have to be added for
14、the standards indicated: IEC 61078 NOTE Harmonised as EN 61078. IEC 62198 NOTE Harmonised as EN 62198. IEC 60812 NOTE Harmonised as EN 60812. IEC 60300-3-11 NOTE Harmonised as EN 60300-3-11. IEC 60300-3-1 NOTE Harmonised as EN 60300-3-1. IEC 61165 NOTE Harmonised as EN 61165 BS EN 62673:2013- 3 - EN
15、 62673:2013 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the editi
16、on cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. Publication Year Title EN/HD Year IEC 60050-19
17、1 International Electrotechnical Vocabulary (IEV) - Chapter 191: Dependability and quality of service - - IEC 60300-3-15 Dependability management - Part 3-15: Application guide - Engineering of system dependability EN 60300-3-15 IEC 61907 Communication network dependability engineering EN 61907 BS E
18、N 62673:2013 2 62673 IEC:2013 CONTENTS INTRODUCTION . 6 1 Scope . 7 2 Normative references . 7 3 Terms, definitions and abbreviations 7 Terms and definitions 7 3.1Abbreviations 11 3.24 Overview of network dependability methodology . 11 Need for network dependability methods . 11 4.1Network dependabi
19、lity objectives . 12 4.2Network service scenarios . 13 4.3Network dependability assessment strategies 13 4.4Network dependability assurance strategies 14 4.55 Network dependability methodology applications 15 Network life cycle process . 15 5.1Life cycle process applications 15 5.1.1Risk assessment
20、process applications . 15 5.1.2Dependability methodology applications 16 5.1.3Network dependability performance characteristics . 17 5.2Network dependability assessment methodology . 18 5.3Generic dependability analysis and evaluation techniques . 18 5.3.1Service scenario analysis 19 5.3.2Network mo
21、delling . 19 5.3.3Network failure modes, effects and criticality analysis . 20 5.3.4Network fault insertion test 21 5.3.5Failure reporting, analysis and corrective action system 22 5.3.6Network dependability assurance methodology . 22 5.4Scope of dependability assurance methodology applications . 22
22、 5.4.1Assurance of dependability of service 23 5.4.2Assurance of data integrity 23 5.4.3Assurance of network performance functions and support process 5.4.4enhancement . 24 Network dependability assurance methods 24 5.4.5Annex A (informative) Example of E2E network dependability assessment 27 Annex
23、B (informative) Example of full-end network dependability assessment . 33 Annex C (informative) Evaluation of network dependability performance in field operation 35 Bibliography 37 Figure A.1 A typical example of an E2E network topology 27 Figure B.1 A typical example of a full-end network topology
24、 . 33 Figure C.1 Network outage contributions and resultant network service impact 36 BS EN 62673:201362673 IEC:2013 3 Table 1 Summary of network dependability activities and application methods . 17 Table 2 Summary of network dependability parameters 18 Table C.1 Summary of network failure data of
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